accelerator mass spectrometer

accelerator mass spectrometer

[ak¦sel·ə‚rād·ər ¦mas spek′träm·əd·ər]
(spectroscopy)
A combination of a mass spectrometer and an accelerator that can be used to measure the natural abundances of very rare radioactive isotopes.
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References in periodicals archive ?
Contract notice: This notice is for the supply of devices dedicated to a compact accelerator mass spectrometer (type micadas) dedicated to the radiocarbon measurement: a gas interface system (online coupling) and a graphitization system (offline coupling).
The scientists used an accelerator mass spectrometer to determine the C-14 levels in the alcohol components of 20 Australian red wines with vintages from 1958 to 1997.
Ann McNichol, a WHOI senior researcher, analyzed the samples at the National Ocean Sciences Accelerator Mass Spectrometer Facility at WHOI.
The researchers used a accelerator mass spectrometer, which narrowed the age of the book down to 1404 to 1438, in the early Renaissance.
The amount of 14C-labeled vitamin B-12 in the sample is measured with an accelerator mass spectrometer, which can count single atoms of 14C.
Kenneth Turtletaub, a scientist at Lawrence Livermore National Laboratory, uses an accelerator mass spectrometer to look at nanostructures for biomarkers of exposure to carcinogenic chemicals, characterizing perturbations at the atomic level.
International Isotopes has also entered into a joint program with the University of North Texas (UNT) to support an accelerator mass spectrometer and proton microfocus analytical beam.
The scientists used a highly-sensitive analytical device called an accelerator mass spectrometer to determine the C-14 levels in the alcohol components of 20 Australian red wines with vintages from 1958 to 1997 and then compared these measurements to the radioactivity levels of known atmospheric samples.
Reddy and colleagues worked with WHOI chemist Bill Jenkins and colleagues at the National Ocean Sciences Accelerator Mass Spectrometer facility at WHOI to develop an extremely precise radiocarbon-based calibration method for determining if the balance of biofuels and petroleum is correct.
O'Brien's group applied accelerator mass spectrometer (AMS) dating to 7 of 18 footwear specimens discovered more than 40 years ago in central Missouri's Arnold Research Cave.
The company facility includes the only commercial Accelerator Mass Spectrometer (AMS) in the U.
They also toured the National Ocean Sciences Accelerator Mass Spectrometer facility on the Quissett campus.